Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Slavic
*-rъ
→
Russian
бодрый
(mention)
→
Serbo-Croatian
hitar
(mention)
→
Serbo-Croatian
хитар
(mention)